86856105 has 32 divisors (see below), whose sum is σ = 160300800. Its totient is φ = 39336192.

The previous prime is 86856103. The next prime is 86856113. The reversal of 86856105 is 50165868.

It is not a de Polignac number, because 86856105 - 2¹ = 86856103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86856103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7651 + ... + 15239.

It is an arithmetic number, because the mean of its divisors is an integer number (5009400).

Almost surely, 2^86856105 is an apocalyptic number.

It is an amenable number.

86856105 is a deficient number, since it is larger than the sum of its proper divisors (73444695).

86856105 is a wasteful number, since it uses less digits than its factorization.

86856105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7713.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 86856105 is about 9319.6622792889. The cubic root of 86856105 is about 442.8603340288.

The spelling of 86856105 in words is "eighty-six million, eight hundred fifty-six thousand, one hundred five".